18857930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 47029248

約数和(自身を除く): 28171318

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 23, 26, 34, 35, 46, 53, 65, 70, 85, 91, 106, 115, 119, 130, 161, 170, 182, 221, 230, 238, 265, 299, 322, 371, 391, 442, 455, 530, 595, 598, 689, 742, 782, 805, 901, 910, 1105, 1190, 1219, 1378, 1495, 1547, 1610, 1802, 1855, 1955, 2093, 2210, 2438, 2737, 2990, 3094, 3445, 3710, 3910, 4186, 4505, 4823, 5083, 5474, 6095, 6307, 6890, 7735, 8533, 9010, 9646, 10166, 10465, 11713, 12190, 12614, 13685, 15470, 15847, 17066, 20723, 20930, 23426, 24115, 25415, 27370, 31535, 31694, 35581, 41446, 42665, 48230, 50830, 58565, 63070, 71162, 79235, 81991, 85330, 103615, 110929, 117130, 145061, 158470, 163982, 177905, 207230, 221858, 269399, 290122, 355810, 409955, 538798, 554645, 725305, 819910, 1109290, 1346995, 1450610, 1885793, 2693990, 3771586, 9428965, 18857930]

約数ペア:

[(1, 18857930), (2, 9428965), (5, 3771586), (7, 2693990), (10, 1885793), (13, 1450610), (14, 1346995), (17, 1109290), (23, 819910), (26, 725305), (34, 554645), (35, 538798), (46, 409955), (53, 355810), (65, 290122), (70, 269399), (85, 221858), (91, 207230), (106, 177905), (115, 163982), (119, 158470), (130, 145061), (161, 117130), (170, 110929), (182, 103615), (221, 85330), (230, 81991), (238, 79235), (265, 71162), (299, 63070), (322, 58565), (371, 50830), (391, 48230), (442, 42665), (455, 41446), (530, 35581), (595, 31694), (598, 31535), (689, 27370), (742, 25415), (782, 24115), (805, 23426), (901, 20930), (910, 20723), (1105, 17066), (1190, 15847), (1219, 15470), (1378, 13685), (1495, 12614), (1547, 12190), (1610, 11713), (1802, 10465), (1855, 10166), (1955, 9646), (2093, 9010), (2210, 8533), (2438, 7735), (2737, 6890), (2990, 6307), (3094, 6095), (3445, 5474), (3710, 5083), (3910, 4823), (4186, 4505)]