18616960

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1569

約数の個数: 64

約数和(自身を含む): 46879200

約数和(自身を除く): 28262240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 1531, 2432, 3040, 3062, 6080, 6124, 7655, 12160, 12248, 15310, 24496, 29089, 30620, 48992, 58178, 61240, 97984, 116356, 122480, 145445, 195968, 232712, 244960, 290890, 465424, 489920, 581780, 930848, 979840, 1163560, 1861696, 2327120, 3723392, 4654240, 9308480, 18616960]

約数ペア:

[(1, 18616960), (2, 9308480), (4, 4654240), (5, 3723392), (8, 2327120), (10, 1861696), (16, 1163560), (19, 979840), (20, 930848), (32, 581780), (38, 489920), (40, 465424), (64, 290890), (76, 244960), (80, 232712), (95, 195968), (128, 145445), (152, 122480), (160, 116356), (190, 97984), (304, 61240), (320, 58178), (380, 48992), (608, 30620), (640, 29089), (760, 24496), (1216, 15310), (1520, 12248), (1531, 12160), (2432, 7655), (3040, 6124), (3062, 6080)]