19461800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 48449280

約数和(自身を除く): 28987480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 43, 50, 62, 73, 86, 100, 124, 146, 155, 172, 200, 215, 248, 292, 310, 344, 365, 430, 584, 620, 730, 775, 860, 1075, 1240, 1333, 1460, 1550, 1720, 1825, 2150, 2263, 2666, 2920, 3100, 3139, 3650, 4300, 4526, 5332, 6200, 6278, 6665, 7300, 8600, 9052, 10664, 11315, 12556, 13330, 14600, 15695, 18104, 22630, 25112, 26660, 31390, 33325, 45260, 53320, 56575, 62780, 66650, 78475, 90520, 97309, 113150, 125560, 133300, 156950, 194618, 226300, 266600, 313900, 389236, 452600, 486545, 627800, 778472, 973090, 1946180, 2432725, 3892360, 4865450, 9730900, 19461800]

約数ペア:

[(1, 19461800), (2, 9730900), (4, 4865450), (5, 3892360), (8, 2432725), (10, 1946180), (20, 973090), (25, 778472), (31, 627800), (40, 486545), (43, 452600), (50, 389236), (62, 313900), (73, 266600), (86, 226300), (100, 194618), (124, 156950), (146, 133300), (155, 125560), (172, 113150), (200, 97309), (215, 90520), (248, 78475), (292, 66650), (310, 62780), (344, 56575), (365, 53320), (430, 45260), (584, 33325), (620, 31390), (730, 26660), (775, 25112), (860, 22630), (1075, 18104), (1240, 15695), (1333, 14600), (1460, 13330), (1550, 12556), (1720, 11315), (1825, 10664), (2150, 9052), (2263, 8600), (2666, 7300), (2920, 6665), (3100, 6278), (3139, 6200), (3650, 5332), (4300, 4526)]