19350760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 35081240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 199, 220, 221, 260, 286, 340, 374, 398, 440, 442, 520, 572, 680, 715, 748, 796, 884, 935, 995, 1105, 1144, 1430, 1496, 1592, 1768, 1870, 1990, 2189, 2210, 2431, 2587, 2860, 3383, 3740, 3980, 4378, 4420, 4862, 5174, 5720, 6766, 7480, 7960, 8756, 8840, 9724, 10348, 10945, 12155, 12935, 13532, 16915, 17512, 19448, 20696, 21890, 24310, 25870, 27064, 28457, 33830, 37213, 43780, 43979, 48620, 51740, 56914, 67660, 74426, 87560, 87958, 97240, 103480, 113828, 135320, 142285, 148852, 175916, 186065, 219895, 227656, 284570, 297704, 351832, 372130, 439790, 483769, 569140, 744260, 879580, 967538, 1138280, 1488520, 1759160, 1935076, 2418845, 3870152, 4837690, 9675380, 19350760]

約数ペア:

[(1, 19350760), (2, 9675380), (4, 4837690), (5, 3870152), (8, 2418845), (10, 1935076), (11, 1759160), (13, 1488520), (17, 1138280), (20, 967538), (22, 879580), (26, 744260), (34, 569140), (40, 483769), (44, 439790), (52, 372130), (55, 351832), (65, 297704), (68, 284570), (85, 227656), (88, 219895), (104, 186065), (110, 175916), (130, 148852), (136, 142285), (143, 135320), (170, 113828), (187, 103480), (199, 97240), (220, 87958), (221, 87560), (260, 74426), (286, 67660), (340, 56914), (374, 51740), (398, 48620), (440, 43979), (442, 43780), (520, 37213), (572, 33830), (680, 28457), (715, 27064), (748, 25870), (796, 24310), (884, 21890), (935, 20696), (995, 19448), (1105, 17512), (1144, 16915), (1430, 13532), (1496, 12935), (1592, 12155), (1768, 10945), (1870, 10348), (1990, 9724), (2189, 8840), (2210, 8756), (2431, 7960), (2587, 7480), (2860, 6766), (3383, 5720), (3740, 5174), (3980, 4862), (4378, 4420)]