18475101975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^2\times {\mathrm{503}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 33547602816

約数和(自身を除く): 15072500841

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 211, 275, 503, 633, 825, 1055, 1509, 2321, 2515, 3165, 5275, 5533, 6963, 7545, 11605, 12575, 15825, 16599, 27665, 34815, 37725, 44521, 58025, 82995, 106133, 133563, 138325, 174075, 222605, 318399, 414975, 489731, 530665, 667815, 1113025, 1167463, 1469193, 1591995, 2448655, 2653325, 3339075, 3502389, 5837315, 7345965, 7959975, 12243275, 17511945, 22394063, 29186575, 36729825, 67182189, 87559725, 111970315, 246334693, 335910945, 559851575, 739004079, 1231673465, 1679554725, 3695020395, 6158367325, 18475101975]

約数ペア:

[(1, 18475101975), (3, 6158367325), (5, 3695020395), (11, 1679554725), (15, 1231673465), (25, 739004079), (33, 559851575), (55, 335910945), (75, 246334693), (165, 111970315), (211, 87559725), (275, 67182189), (503, 36729825), (633, 29186575), (825, 22394063), (1055, 17511945), (1509, 12243275), (2321, 7959975), (2515, 7345965), (3165, 5837315), (5275, 3502389), (5533, 3339075), (6963, 2653325), (7545, 2448655), (11605, 1591995), (12575, 1469193), (15825, 1167463), (16599, 1113025), (27665, 667815), (34815, 530665), (37725, 489731), (44521, 414975), (58025, 318399), (82995, 222605), (106133, 174075), (133563, 138325)]