19981052

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3229}}^1$

素因数の和:3270

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 25600708

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3229, 6188, 6458, 12916, 22603, 41977, 45206, 54893, 83954, 90412, 109786, 167908, 219572, 293839, 384251, 587678, 713609, 768502, 1175356, 1427218, 1537004, 2854436, 4995263, 9990526, 19981052]

約数ペア:

[(1, 19981052), (2, 9990526), (4, 4995263), (7, 2854436), (13, 1537004), (14, 1427218), (17, 1175356), (26, 768502), (28, 713609), (34, 587678), (52, 384251), (68, 293839), (91, 219572), (119, 167908), (182, 109786), (221, 90412), (238, 83954), (364, 54893), (442, 45206), (476, 41977), (884, 22603), (1547, 12916), (3094, 6458), (3229, 6188)]