19175960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 45532800

約数和(自身を除く): 26356840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 271, 290, 305, 488, 542, 580, 610, 1084, 1160, 1220, 1355, 1769, 2168, 2440, 2710, 3538, 5420, 7076, 7859, 8845, 10840, 14152, 15718, 16531, 17690, 31436, 33062, 35380, 39295, 62872, 66124, 70760, 78590, 82655, 132248, 157180, 165310, 314360, 330620, 479399, 661240, 958798, 1917596, 2396995, 3835192, 4793990, 9587980, 19175960]

約数ペア:

[(1, 19175960), (2, 9587980), (4, 4793990), (5, 3835192), (8, 2396995), (10, 1917596), (20, 958798), (29, 661240), (40, 479399), (58, 330620), (61, 314360), (116, 165310), (122, 157180), (145, 132248), (232, 82655), (244, 78590), (271, 70760), (290, 66124), (305, 62872), (488, 39295), (542, 35380), (580, 33062), (610, 31436), (1084, 17690), (1160, 16531), (1220, 15718), (1355, 14152), (1769, 10840), (2168, 8845), (2440, 7859), (2710, 7076), (3538, 5420)]