18946980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2699}}^1$

素因数の和:2730

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 44557020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2699, 3510, 5398, 7020, 8097, 10796, 13495, 16194, 24291, 26990, 32388, 35087, 40485, 48582, 53980, 70174, 72873, 80970, 97164, 105261, 121455, 140348, 145746, 161940, 175435, 210522, 242910, 291492, 315783, 350870, 364365, 421044, 485820, 526305, 631566, 701740, 728730, 947349, 1052610, 1263132, 1457460, 1578915, 1894698, 2105220, 3157830, 3789396, 4736745, 6315660, 9473490, 18946980]

約数ペア:

[(1, 18946980), (2, 9473490), (3, 6315660), (4, 4736745), (5, 3789396), (6, 3157830), (9, 2105220), (10, 1894698), (12, 1578915), (13, 1457460), (15, 1263132), (18, 1052610), (20, 947349), (26, 728730), (27, 701740), (30, 631566), (36, 526305), (39, 485820), (45, 421044), (52, 364365), (54, 350870), (60, 315783), (65, 291492), (78, 242910), (90, 210522), (108, 175435), (117, 161940), (130, 145746), (135, 140348), (156, 121455), (180, 105261), (195, 97164), (234, 80970), (260, 72873), (270, 70174), (351, 53980), (390, 48582), (468, 40485), (540, 35087), (585, 32388), (702, 26990), (780, 24291), (1170, 16194), (1404, 13495), (1755, 10796), (2340, 8097), (2699, 7020), (3510, 5398)]