18303220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 45341856

約数和(自身を除く): 27038636

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 101, 130, 164, 170, 202, 205, 221, 260, 340, 404, 410, 442, 505, 533, 697, 820, 884, 1010, 1066, 1105, 1313, 1394, 1717, 2020, 2132, 2210, 2626, 2665, 2788, 3434, 3485, 4141, 4420, 5252, 5330, 6565, 6868, 6970, 8282, 8585, 9061, 10660, 13130, 13940, 16564, 17170, 18122, 20705, 22321, 26260, 34340, 36244, 41410, 44642, 45305, 53833, 70397, 82820, 89284, 90610, 107666, 111605, 140794, 181220, 215332, 223210, 269165, 281588, 351985, 446420, 538330, 703970, 915161, 1076660, 1407940, 1830322, 3660644, 4575805, 9151610, 18303220]

約数ペア:

[(1, 18303220), (2, 9151610), (4, 4575805), (5, 3660644), (10, 1830322), (13, 1407940), (17, 1076660), (20, 915161), (26, 703970), (34, 538330), (41, 446420), (52, 351985), (65, 281588), (68, 269165), (82, 223210), (85, 215332), (101, 181220), (130, 140794), (164, 111605), (170, 107666), (202, 90610), (205, 89284), (221, 82820), (260, 70397), (340, 53833), (404, 45305), (410, 44642), (442, 41410), (505, 36244), (533, 34340), (697, 26260), (820, 22321), (884, 20705), (1010, 18122), (1066, 17170), (1105, 16564), (1313, 13940), (1394, 13130), (1717, 10660), (2020, 9061), (2132, 8585), (2210, 8282), (2626, 6970), (2665, 6868), (2788, 6565), (3434, 5330), (3485, 5252), (4141, 4420)]