19904352

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 37884288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 78, 82, 96, 104, 123, 156, 164, 208, 246, 312, 328, 389, 416, 492, 533, 624, 656, 778, 984, 1066, 1167, 1248, 1312, 1556, 1599, 1968, 2132, 2334, 3112, 3198, 3936, 4264, 4668, 5057, 6224, 6396, 8528, 9336, 10114, 12448, 12792, 15171, 15949, 17056, 18672, 20228, 25584, 30342, 31898, 37344, 40456, 47847, 51168, 60684, 63796, 80912, 95694, 121368, 127592, 161824, 191388, 207337, 242736, 255184, 382776, 414674, 485472, 510368, 622011, 765552, 829348, 1244022, 1531104, 1658696, 2488044, 3317392, 4976088, 6634784, 9952176, 19904352]

約数ペア:

[(1, 19904352), (2, 9952176), (3, 6634784), (4, 4976088), (6, 3317392), (8, 2488044), (12, 1658696), (13, 1531104), (16, 1244022), (24, 829348), (26, 765552), (32, 622011), (39, 510368), (41, 485472), (48, 414674), (52, 382776), (78, 255184), (82, 242736), (96, 207337), (104, 191388), (123, 161824), (156, 127592), (164, 121368), (208, 95694), (246, 80912), (312, 63796), (328, 60684), (389, 51168), (416, 47847), (492, 40456), (533, 37344), (624, 31898), (656, 30342), (778, 25584), (984, 20228), (1066, 18672), (1167, 17056), (1248, 15949), (1312, 15171), (1556, 12792), (1599, 12448), (1968, 10114), (2132, 9336), (2334, 8528), (3112, 6396), (3198, 6224), (3936, 5057), (4264, 4668)]