18626520390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{987097}}^1$

素因数の和:987161

約数の個数: 64

約数和(自身を含む): 48612602304

約数和(自身を除く): 29986081914

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 74, 85, 102, 111, 170, 185, 222, 255, 370, 510, 555, 629, 1110, 1258, 1887, 3145, 3774, 6290, 9435, 18870, 987097, 1974194, 2961291, 4935485, 5922582, 9870970, 14806455, 16780649, 29612910, 33561298, 36522589, 50341947, 73045178, 83903245, 100683894, 109567767, 167806490, 182612945, 219135534, 251709735, 365225890, 503419470, 547838835, 620884013, 1095677670, 1241768026, 1862652039, 3104420065, 3725304078, 6208840130, 9313260195, 18626520390]

約数ペア:

[(1, 18626520390), (2, 9313260195), (3, 6208840130), (5, 3725304078), (6, 3104420065), (10, 1862652039), (15, 1241768026), (17, 1095677670), (30, 620884013), (34, 547838835), (37, 503419470), (51, 365225890), (74, 251709735), (85, 219135534), (102, 182612945), (111, 167806490), (170, 109567767), (185, 100683894), (222, 83903245), (255, 73045178), (370, 50341947), (510, 36522589), (555, 33561298), (629, 29612910), (1110, 16780649), (1258, 14806455), (1887, 9870970), (3145, 5922582), (3774, 4935485), (6290, 2961291), (9435, 1974194), (18870, 987097)]