19741150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 43637832

約数和(自身を除く): 23896682

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 121, 130, 143, 242, 251, 275, 286, 325, 502, 550, 605, 650, 715, 1210, 1255, 1430, 1573, 2510, 2761, 3025, 3146, 3263, 3575, 5522, 6050, 6275, 6526, 7150, 7865, 12550, 13805, 15730, 16315, 27610, 30371, 32630, 35893, 39325, 60742, 69025, 71786, 78650, 81575, 138050, 151855, 163150, 179465, 303710, 358930, 394823, 759275, 789646, 897325, 1518550, 1794650, 1974115, 3948230, 9870575, 19741150]

約数ペア:

[(1, 19741150), (2, 9870575), (5, 3948230), (10, 1974115), (11, 1794650), (13, 1518550), (22, 897325), (25, 789646), (26, 759275), (50, 394823), (55, 358930), (65, 303710), (110, 179465), (121, 163150), (130, 151855), (143, 138050), (242, 81575), (251, 78650), (275, 71786), (286, 69025), (325, 60742), (502, 39325), (550, 35893), (605, 32630), (650, 30371), (715, 27610), (1210, 16315), (1255, 15730), (1430, 13805), (1573, 12550), (2510, 7865), (2761, 7150), (3025, 6526), (3146, 6275), (3263, 6050), (3575, 5522)]