19345040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 56246400

約数和(自身を除く): 36901360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 89, 95, 104, 110, 130, 143, 152, 176, 178, 190, 208, 209, 220, 247, 260, 286, 304, 356, 380, 418, 440, 445, 494, 520, 572, 712, 715, 760, 836, 880, 890, 979, 988, 1040, 1045, 1144, 1157, 1235, 1424, 1430, 1520, 1672, 1691, 1780, 1958, 1976, 2090, 2288, 2314, 2470, 2717, 2860, 3344, 3382, 3560, 3916, 3952, 4180, 4628, 4895, 4940, 5434, 5720, 5785, 6764, 7120, 7832, 8360, 8455, 9256, 9790, 9880, 10868, 11440, 11570, 12727, 13528, 13585, 15664, 16720, 16910, 18512, 18601, 19580, 19760, 21736, 21983, 23140, 25454, 27056, 27170, 33820, 37202, 39160, 43472, 43966, 46280, 50908, 54340, 63635, 67640, 74404, 78320, 87932, 92560, 93005, 101816, 108680, 109915, 127270, 135280, 148808, 175864, 186010, 203632, 217360, 219830, 241813, 254540, 297616, 351728, 372020, 439660, 483626, 509080, 744040, 879320, 967252, 1018160, 1209065, 1488080, 1758640, 1934504, 2418130, 3869008, 4836260, 9672520, 19345040]

約数ペア:

[(1, 19345040), (2, 9672520), (4, 4836260), (5, 3869008), (8, 2418130), (10, 1934504), (11, 1758640), (13, 1488080), (16, 1209065), (19, 1018160), (20, 967252), (22, 879320), (26, 744040), (38, 509080), (40, 483626), (44, 439660), (52, 372020), (55, 351728), (65, 297616), (76, 254540), (80, 241813), (88, 219830), (89, 217360), (95, 203632), (104, 186010), (110, 175864), (130, 148808), (143, 135280), (152, 127270), (176, 109915), (178, 108680), (190, 101816), (208, 93005), (209, 92560), (220, 87932), (247, 78320), (260, 74404), (286, 67640), (304, 63635), (356, 54340), (380, 50908), (418, 46280), (440, 43966), (445, 43472), (494, 39160), (520, 37202), (572, 33820), (712, 27170), (715, 27056), (760, 25454), (836, 23140), (880, 21983), (890, 21736), (979, 19760), (988, 19580), (1040, 18601), (1045, 18512), (1144, 16910), (1157, 16720), (1235, 15664), (1424, 13585), (1430, 13528), (1520, 12727), (1672, 11570), (1691, 11440), (1780, 10868), (1958, 9880), (1976, 9790), (2090, 9256), (2288, 8455), (2314, 8360), (2470, 7832), (2717, 7120), (2860, 6764), (3344, 5785), (3382, 5720), (3560, 5434), (3916, 4940), (3952, 4895), (4180, 4628)]