19834620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 41129220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 65, 78, 118, 130, 156, 177, 195, 236, 260, 295, 354, 390, 431, 590, 708, 767, 780, 862, 885, 1180, 1293, 1534, 1724, 1770, 2155, 2301, 2586, 3068, 3540, 3835, 4310, 4602, 5172, 5603, 6465, 7670, 8620, 9204, 11206, 11505, 12930, 15340, 16809, 22412, 23010, 25429, 25860, 28015, 33618, 46020, 50858, 56030, 67236, 76287, 84045, 101716, 112060, 127145, 152574, 168090, 254290, 305148, 330577, 336180, 381435, 508580, 661154, 762870, 991731, 1322308, 1525740, 1652885, 1983462, 3305770, 3966924, 4958655, 6611540, 9917310, 19834620]

約数ペア:

[(1, 19834620), (2, 9917310), (3, 6611540), (4, 4958655), (5, 3966924), (6, 3305770), (10, 1983462), (12, 1652885), (13, 1525740), (15, 1322308), (20, 991731), (26, 762870), (30, 661154), (39, 508580), (52, 381435), (59, 336180), (60, 330577), (65, 305148), (78, 254290), (118, 168090), (130, 152574), (156, 127145), (177, 112060), (195, 101716), (236, 84045), (260, 76287), (295, 67236), (354, 56030), (390, 50858), (431, 46020), (590, 33618), (708, 28015), (767, 25860), (780, 25429), (862, 23010), (885, 22412), (1180, 16809), (1293, 15340), (1534, 12930), (1724, 11505), (1770, 11206), (2155, 9204), (2301, 8620), (2586, 7670), (3068, 6465), (3540, 5603), (3835, 5172), (4310, 4602)]