18542030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19778098

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 86, 107, 130, 155, 214, 215, 310, 403, 430, 535, 559, 806, 1070, 1118, 1333, 1391, 2015, 2666, 2782, 2795, 3317, 4030, 4601, 5590, 6634, 6665, 6955, 9202, 13330, 13910, 16585, 17329, 23005, 33170, 34658, 43121, 46010, 59813, 86242, 86645, 119626, 142631, 173290, 215605, 285262, 299065, 431210, 598130, 713155, 1426310, 1854203, 3708406, 9271015, 18542030]

約数ペア:

[(1, 18542030), (2, 9271015), (5, 3708406), (10, 1854203), (13, 1426310), (26, 713155), (31, 598130), (43, 431210), (62, 299065), (65, 285262), (86, 215605), (107, 173290), (130, 142631), (155, 119626), (214, 86645), (215, 86242), (310, 59813), (403, 46010), (430, 43121), (535, 34658), (559, 33170), (806, 23005), (1070, 17329), (1118, 16585), (1333, 13910), (1391, 13330), (2015, 9202), (2666, 6955), (2782, 6665), (2795, 6634), (3317, 5590), (4030, 4601)]