19850820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1625

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 44016060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1583, 2090, 2508, 3135, 3166, 4180, 4749, 6270, 6332, 7915, 9498, 12540, 15830, 17413, 18996, 23745, 30077, 31660, 34826, 47490, 52239, 60154, 69652, 87065, 90231, 94980, 104478, 120308, 150385, 174130, 180462, 208956, 261195, 300770, 330847, 348260, 360924, 451155, 522390, 601540, 661694, 902310, 992541, 1044780, 1323388, 1654235, 1804620, 1985082, 3308470, 3970164, 4962705, 6616940, 9925410, 19850820]

約数ペア:

[(1, 19850820), (2, 9925410), (3, 6616940), (4, 4962705), (5, 3970164), (6, 3308470), (10, 1985082), (11, 1804620), (12, 1654235), (15, 1323388), (19, 1044780), (20, 992541), (22, 902310), (30, 661694), (33, 601540), (38, 522390), (44, 451155), (55, 360924), (57, 348260), (60, 330847), (66, 300770), (76, 261195), (95, 208956), (110, 180462), (114, 174130), (132, 150385), (165, 120308), (190, 104478), (209, 94980), (220, 90231), (228, 87065), (285, 69652), (330, 60154), (380, 52239), (418, 47490), (570, 34826), (627, 31660), (660, 30077), (836, 23745), (1045, 18996), (1140, 17413), (1254, 15830), (1583, 12540), (2090, 9498), (2508, 7915), (3135, 6332), (3166, 6270), (4180, 4749)]