18846880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 52295544

約数和(自身を除く): 33448664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 41, 52, 65, 68, 80, 82, 85, 104, 130, 136, 160, 164, 169, 170, 205, 208, 221, 260, 272, 328, 338, 340, 410, 416, 442, 520, 533, 544, 656, 676, 680, 697, 820, 845, 884, 1040, 1066, 1105, 1312, 1352, 1360, 1394, 1640, 1690, 1768, 2080, 2132, 2210, 2665, 2704, 2720, 2788, 2873, 3280, 3380, 3485, 3536, 4264, 4420, 5330, 5408, 5576, 5746, 6560, 6760, 6929, 6970, 7072, 8528, 8840, 9061, 10660, 11152, 11492, 13520, 13858, 13940, 14365, 17056, 17680, 18122, 21320, 22304, 22984, 27040, 27716, 27880, 28730, 34645, 35360, 36244, 42640, 45305, 45968, 55432, 55760, 57460, 69290, 72488, 85280, 90610, 91936, 110864, 111520, 114920, 117793, 138580, 144976, 181220, 221728, 229840, 235586, 277160, 289952, 362440, 459680, 471172, 554320, 588965, 724880, 942344, 1108640, 1177930, 1449760, 1884688, 2355860, 3769376, 4711720, 9423440, 18846880]

約数ペア:

[(1, 18846880), (2, 9423440), (4, 4711720), (5, 3769376), (8, 2355860), (10, 1884688), (13, 1449760), (16, 1177930), (17, 1108640), (20, 942344), (26, 724880), (32, 588965), (34, 554320), (40, 471172), (41, 459680), (52, 362440), (65, 289952), (68, 277160), (80, 235586), (82, 229840), (85, 221728), (104, 181220), (130, 144976), (136, 138580), (160, 117793), (164, 114920), (169, 111520), (170, 110864), (205, 91936), (208, 90610), (221, 85280), (260, 72488), (272, 69290), (328, 57460), (338, 55760), (340, 55432), (410, 45968), (416, 45305), (442, 42640), (520, 36244), (533, 35360), (544, 34645), (656, 28730), (676, 27880), (680, 27716), (697, 27040), (820, 22984), (845, 22304), (884, 21320), (1040, 18122), (1066, 17680), (1105, 17056), (1312, 14365), (1352, 13940), (1360, 13858), (1394, 13520), (1640, 11492), (1690, 11152), (1768, 10660), (2080, 9061), (2132, 8840), (2210, 8528), (2665, 7072), (2704, 6970), (2720, 6929), (2788, 6760), (2873, 6560), (3280, 5746), (3380, 5576), (3485, 5408), (3536, 5330), (4264, 4420)]