18904080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 64745856

約数和(自身を除く): 45841776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 73, 78, 80, 83, 104, 120, 130, 146, 156, 166, 195, 208, 219, 240, 249, 260, 292, 312, 332, 365, 390, 415, 438, 498, 520, 584, 624, 664, 730, 780, 830, 876, 949, 996, 1040, 1079, 1095, 1168, 1245, 1328, 1460, 1560, 1660, 1752, 1898, 1992, 2158, 2190, 2490, 2847, 2920, 3120, 3237, 3320, 3504, 3796, 3984, 4316, 4380, 4745, 4980, 5395, 5694, 5840, 6059, 6474, 6640, 7592, 8632, 8760, 9490, 9960, 10790, 11388, 12118, 12948, 14235, 15184, 16185, 17264, 17520, 18177, 18980, 19920, 21580, 22776, 24236, 25896, 28470, 30295, 32370, 36354, 37960, 43160, 45552, 48472, 51792, 56940, 60590, 64740, 72708, 75920, 78767, 86320, 90885, 96944, 113880, 121180, 129480, 145416, 157534, 181770, 227760, 236301, 242360, 258960, 290832, 315068, 363540, 393835, 472602, 484720, 630136, 727080, 787670, 945204, 1181505, 1260272, 1454160, 1575340, 1890408, 2363010, 3150680, 3780816, 4726020, 6301360, 9452040, 18904080]

約数ペア:

[(1, 18904080), (2, 9452040), (3, 6301360), (4, 4726020), (5, 3780816), (6, 3150680), (8, 2363010), (10, 1890408), (12, 1575340), (13, 1454160), (15, 1260272), (16, 1181505), (20, 945204), (24, 787670), (26, 727080), (30, 630136), (39, 484720), (40, 472602), (48, 393835), (52, 363540), (60, 315068), (65, 290832), (73, 258960), (78, 242360), (80, 236301), (83, 227760), (104, 181770), (120, 157534), (130, 145416), (146, 129480), (156, 121180), (166, 113880), (195, 96944), (208, 90885), (219, 86320), (240, 78767), (249, 75920), (260, 72708), (292, 64740), (312, 60590), (332, 56940), (365, 51792), (390, 48472), (415, 45552), (438, 43160), (498, 37960), (520, 36354), (584, 32370), (624, 30295), (664, 28470), (730, 25896), (780, 24236), (830, 22776), (876, 21580), (949, 19920), (996, 18980), (1040, 18177), (1079, 17520), (1095, 17264), (1168, 16185), (1245, 15184), (1328, 14235), (1460, 12948), (1560, 12118), (1660, 11388), (1752, 10790), (1898, 9960), (1992, 9490), (2158, 8760), (2190, 8632), (2490, 7592), (2847, 6640), (2920, 6474), (3120, 6059), (3237, 5840), (3320, 5694), (3504, 5395), (3796, 4980), (3984, 4745), (4316, 4380)]