18595960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 48988800

約数和(自身を除く): 30392840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 29, 34, 40, 41, 46, 58, 68, 82, 85, 92, 115, 116, 136, 145, 164, 170, 184, 205, 230, 232, 290, 328, 340, 391, 410, 460, 493, 580, 667, 680, 697, 782, 820, 920, 943, 986, 1160, 1189, 1334, 1394, 1564, 1640, 1886, 1955, 1972, 2378, 2465, 2668, 2788, 3128, 3335, 3485, 3772, 3910, 3944, 4715, 4756, 4930, 5336, 5576, 5945, 6670, 6970, 7544, 7820, 9430, 9512, 9860, 11339, 11890, 13340, 13940, 15640, 16031, 18860, 19720, 20213, 22678, 23780, 26680, 27347, 27880, 32062, 37720, 40426, 45356, 47560, 54694, 56695, 64124, 80155, 80852, 90712, 101065, 109388, 113390, 128248, 136735, 160310, 161704, 202130, 218776, 226780, 273470, 320620, 404260, 453560, 464899, 546940, 641240, 808520, 929798, 1093880, 1859596, 2324495, 3719192, 4648990, 9297980, 18595960]

約数ペア:

[(1, 18595960), (2, 9297980), (4, 4648990), (5, 3719192), (8, 2324495), (10, 1859596), (17, 1093880), (20, 929798), (23, 808520), (29, 641240), (34, 546940), (40, 464899), (41, 453560), (46, 404260), (58, 320620), (68, 273470), (82, 226780), (85, 218776), (92, 202130), (115, 161704), (116, 160310), (136, 136735), (145, 128248), (164, 113390), (170, 109388), (184, 101065), (205, 90712), (230, 80852), (232, 80155), (290, 64124), (328, 56695), (340, 54694), (391, 47560), (410, 45356), (460, 40426), (493, 37720), (580, 32062), (667, 27880), (680, 27347), (697, 26680), (782, 23780), (820, 22678), (920, 20213), (943, 19720), (986, 18860), (1160, 16031), (1189, 15640), (1334, 13940), (1394, 13340), (1564, 11890), (1640, 11339), (1886, 9860), (1955, 9512), (1972, 9430), (2378, 7820), (2465, 7544), (2668, 6970), (2788, 6670), (3128, 5945), (3335, 5576), (3485, 5336), (3772, 4930), (3910, 4756), (3944, 4715)]