18621330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 39439470

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 359, 390, 399, 455, 494, 546, 570, 665, 718, 741, 798, 910, 1077, 1235, 1330, 1365, 1482, 1729, 1795, 1995, 2154, 2470, 2513, 2730, 3458, 3590, 3705, 3990, 4667, 5026, 5187, 5385, 6821, 7410, 7539, 8645, 9334, 10374, 10770, 12565, 13642, 14001, 15078, 17290, 20463, 23335, 25130, 25935, 28002, 32669, 34105, 37695, 40926, 46670, 47747, 51870, 65338, 68210, 70005, 75390, 88673, 95494, 98007, 102315, 140010, 143241, 163345, 177346, 196014, 204630, 238735, 266019, 286482, 326690, 443365, 477470, 490035, 532038, 620711, 716205, 886730, 980070, 1241422, 1330095, 1432410, 1862133, 2660190, 3103555, 3724266, 6207110, 9310665, 18621330]

約数ペア:

[(1, 18621330), (2, 9310665), (3, 6207110), (5, 3724266), (6, 3103555), (7, 2660190), (10, 1862133), (13, 1432410), (14, 1330095), (15, 1241422), (19, 980070), (21, 886730), (26, 716205), (30, 620711), (35, 532038), (38, 490035), (39, 477470), (42, 443365), (57, 326690), (65, 286482), (70, 266019), (78, 238735), (91, 204630), (95, 196014), (105, 177346), (114, 163345), (130, 143241), (133, 140010), (182, 102315), (190, 98007), (195, 95494), (210, 88673), (247, 75390), (266, 70005), (273, 68210), (285, 65338), (359, 51870), (390, 47747), (399, 46670), (455, 40926), (494, 37695), (546, 34105), (570, 32669), (665, 28002), (718, 25935), (741, 25130), (798, 23335), (910, 20463), (1077, 17290), (1235, 15078), (1330, 14001), (1365, 13642), (1482, 12565), (1729, 10770), (1795, 10374), (1995, 9334), (2154, 8645), (2470, 7539), (2513, 7410), (2730, 6821), (3458, 5385), (3590, 5187), (3705, 5026), (3990, 4667)]