18195760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 160

約数和(自身を含む): 51425280

約数和(自身を除く): 33229520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 29, 31, 40, 44, 46, 55, 58, 62, 80, 88, 92, 110, 115, 116, 124, 145, 155, 176, 184, 220, 230, 232, 248, 253, 290, 310, 319, 341, 368, 440, 460, 464, 496, 506, 580, 620, 638, 667, 682, 713, 880, 899, 920, 1012, 1160, 1240, 1265, 1276, 1334, 1364, 1426, 1595, 1705, 1798, 1840, 2024, 2320, 2480, 2530, 2552, 2668, 2728, 2852, 3190, 3335, 3410, 3565, 3596, 4048, 4495, 5060, 5104, 5336, 5456, 5704, 6380, 6670, 6820, 7130, 7192, 7337, 7843, 8990, 9889, 10120, 10672, 11408, 12760, 13340, 13640, 14260, 14384, 14674, 15686, 17980, 19778, 20240, 20677, 25520, 26680, 27280, 28520, 29348, 31372, 35960, 36685, 39215, 39556, 41354, 49445, 53360, 57040, 58696, 62744, 71920, 73370, 78430, 79112, 82708, 98890, 103385, 117392, 125488, 146740, 156860, 158224, 165416, 197780, 206770, 227447, 293480, 313720, 330832, 395560, 413540, 454894, 586960, 627440, 791120, 827080, 909788, 1137235, 1654160, 1819576, 2274470, 3639152, 4548940, 9097880, 18195760]

約数ペア:

[(1, 18195760), (2, 9097880), (4, 4548940), (5, 3639152), (8, 2274470), (10, 1819576), (11, 1654160), (16, 1137235), (20, 909788), (22, 827080), (23, 791120), (29, 627440), (31, 586960), (40, 454894), (44, 413540), (46, 395560), (55, 330832), (58, 313720), (62, 293480), (80, 227447), (88, 206770), (92, 197780), (110, 165416), (115, 158224), (116, 156860), (124, 146740), (145, 125488), (155, 117392), (176, 103385), (184, 98890), (220, 82708), (230, 79112), (232, 78430), (248, 73370), (253, 71920), (290, 62744), (310, 58696), (319, 57040), (341, 53360), (368, 49445), (440, 41354), (460, 39556), (464, 39215), (496, 36685), (506, 35960), (580, 31372), (620, 29348), (638, 28520), (667, 27280), (682, 26680), (713, 25520), (880, 20677), (899, 20240), (920, 19778), (1012, 17980), (1160, 15686), (1240, 14674), (1265, 14384), (1276, 14260), (1334, 13640), (1364, 13340), (1426, 12760), (1595, 11408), (1705, 10672), (1798, 10120), (1840, 9889), (2024, 8990), (2320, 7843), (2480, 7337), (2530, 7192), (2552, 7130), (2668, 6820), (2728, 6670), (2852, 6380), (3190, 5704), (3335, 5456), (3410, 5336), (3565, 5104), (3596, 5060), (4048, 4495)]