2019955518

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{21011}}^1$

素因数の和:21142

約数の個数: 72

約数和(自身を含む): 5138064360

約数和(自身を除く): 3118108842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 109, 126, 147, 218, 294, 327, 441, 654, 763, 882, 981, 1526, 1962, 2289, 4578, 5341, 6867, 10682, 13734, 16023, 21011, 32046, 42022, 48069, 63033, 96138, 126066, 147077, 189099, 294154, 378198, 441231, 882462, 1029539, 1323693, 2059078, 2290199, 2647386, 3088617, 4580398, 6177234, 6870597, 9265851, 13741194, 16031393, 18531702, 20611791, 32062786, 41223582, 48094179, 96188358, 112219751, 144282537, 224439502, 288565074, 336659253, 673318506, 1009977759, 2019955518]

約数ペア:

[(1, 2019955518), (2, 1009977759), (3, 673318506), (6, 336659253), (7, 288565074), (9, 224439502), (14, 144282537), (18, 112219751), (21, 96188358), (42, 48094179), (49, 41223582), (63, 32062786), (98, 20611791), (109, 18531702), (126, 16031393), (147, 13741194), (218, 9265851), (294, 6870597), (327, 6177234), (441, 4580398), (654, 3088617), (763, 2647386), (882, 2290199), (981, 2059078), (1526, 1323693), (1962, 1029539), (2289, 882462), (4578, 441231), (5341, 378198), (6867, 294154), (10682, 189099), (13734, 147077), (16023, 126066), (21011, 96138), (32046, 63033), (42022, 48069)]