18730920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12007}}^1$

素因数の和:12034

約数の個数: 64

約数和(自身を含む): 60520320

約数和(自身を除く): 41789400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12007, 24014, 36021, 48028, 60035, 72042, 96056, 120070, 144084, 156091, 180105, 240140, 288168, 312182, 360210, 468273, 480280, 624364, 720420, 780455, 936546, 1248728, 1440840, 1560910, 1873092, 2341365, 3121820, 3746184, 4682730, 6243640, 9365460, 18730920]

約数ペア:

[(1, 18730920), (2, 9365460), (3, 6243640), (4, 4682730), (5, 3746184), (6, 3121820), (8, 2341365), (10, 1873092), (12, 1560910), (13, 1440840), (15, 1248728), (20, 936546), (24, 780455), (26, 720420), (30, 624364), (39, 480280), (40, 468273), (52, 360210), (60, 312182), (65, 288168), (78, 240140), (104, 180105), (120, 156091), (130, 144084), (156, 120070), (195, 96056), (260, 72042), (312, 60035), (390, 48028), (520, 36021), (780, 24014), (1560, 12007)]