18934792660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1733}}^1\times {\mathrm{11149}}^1$

素因数の和:12905

約数の個数: 72

約数和(自身を含む): 46285835400

約数和(自身を除く): 27351042740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1733, 3466, 6932, 8665, 11149, 12131, 17330, 22298, 24262, 34660, 44596, 48524, 55745, 60655, 78043, 84917, 111490, 121310, 156086, 169834, 222980, 242620, 312172, 339668, 390215, 424585, 546301, 780430, 849170, 1092602, 1560860, 1698340, 2185204, 2731505, 5463010, 10926020, 19321217, 38642434, 77284868, 96606085, 135248519, 193212170, 270497038, 386424340, 540994076, 676242595, 946739633, 1352485190, 1893479266, 2704970380, 3786958532, 4733698165, 9467396330, 18934792660]

約数ペア:

[(1, 18934792660), (2, 9467396330), (4, 4733698165), (5, 3786958532), (7, 2704970380), (10, 1893479266), (14, 1352485190), (20, 946739633), (28, 676242595), (35, 540994076), (49, 386424340), (70, 270497038), (98, 193212170), (140, 135248519), (196, 96606085), (245, 77284868), (490, 38642434), (980, 19321217), (1733, 10926020), (3466, 5463010), (6932, 2731505), (8665, 2185204), (11149, 1698340), (12131, 1560860), (17330, 1092602), (22298, 849170), (24262, 780430), (34660, 546301), (44596, 424585), (48524, 390215), (55745, 339668), (60655, 312172), (78043, 242620), (84917, 222980), (111490, 169834), (121310, 156086)]