19404320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 52073280

約数和(自身を除く): 32668960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 491, 494, 520, 608, 760, 982, 988, 1040, 1235, 1520, 1964, 1976, 2080, 2455, 2470, 3040, 3928, 3952, 4910, 4940, 6383, 7856, 7904, 9329, 9820, 9880, 12766, 15712, 18658, 19640, 19760, 25532, 31915, 37316, 39280, 39520, 46645, 51064, 63830, 74632, 78560, 93290, 102128, 121277, 127660, 149264, 186580, 204256, 242554, 255320, 298528, 373160, 485108, 510640, 606385, 746320, 970216, 1021280, 1212770, 1492640, 1940432, 2425540, 3880864, 4851080, 9702160, 19404320]

約数ペア:

[(1, 19404320), (2, 9702160), (4, 4851080), (5, 3880864), (8, 2425540), (10, 1940432), (13, 1492640), (16, 1212770), (19, 1021280), (20, 970216), (26, 746320), (32, 606385), (38, 510640), (40, 485108), (52, 373160), (65, 298528), (76, 255320), (80, 242554), (95, 204256), (104, 186580), (130, 149264), (152, 127660), (160, 121277), (190, 102128), (208, 93290), (247, 78560), (260, 74632), (304, 63830), (380, 51064), (416, 46645), (491, 39520), (494, 39280), (520, 37316), (608, 31915), (760, 25532), (982, 19760), (988, 19640), (1040, 18658), (1235, 15712), (1520, 12766), (1964, 9880), (1976, 9820), (2080, 9329), (2455, 7904), (2470, 7856), (3040, 6383), (3928, 4940), (3952, 4910)]