19495740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 40822980

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 109, 110, 132, 165, 218, 220, 271, 327, 330, 436, 542, 545, 654, 660, 813, 1084, 1090, 1199, 1308, 1355, 1626, 1635, 2180, 2398, 2710, 2981, 3252, 3270, 3597, 4065, 4796, 5420, 5962, 5995, 6540, 7194, 8130, 8943, 11924, 11990, 14388, 14905, 16260, 17886, 17985, 23980, 29539, 29810, 35772, 35970, 44715, 59078, 59620, 71940, 88617, 89430, 118156, 147695, 177234, 178860, 295390, 324929, 354468, 443085, 590780, 649858, 886170, 974787, 1299716, 1624645, 1772340, 1949574, 3249290, 3899148, 4873935, 6498580, 9747870, 19495740]

約数ペア:

[(1, 19495740), (2, 9747870), (3, 6498580), (4, 4873935), (5, 3899148), (6, 3249290), (10, 1949574), (11, 1772340), (12, 1624645), (15, 1299716), (20, 974787), (22, 886170), (30, 649858), (33, 590780), (44, 443085), (55, 354468), (60, 324929), (66, 295390), (109, 178860), (110, 177234), (132, 147695), (165, 118156), (218, 89430), (220, 88617), (271, 71940), (327, 59620), (330, 59078), (436, 44715), (542, 35970), (545, 35772), (654, 29810), (660, 29539), (813, 23980), (1084, 17985), (1090, 17886), (1199, 16260), (1308, 14905), (1355, 14388), (1626, 11990), (1635, 11924), (2180, 8943), (2398, 8130), (2710, 7194), (2981, 6540), (3252, 5995), (3270, 5962), (3597, 5420), (4065, 4796)]