18517300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 42872256

約数和(自身を除く): 24354956

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 83, 92, 97, 100, 115, 166, 194, 230, 332, 388, 415, 460, 485, 575, 830, 970, 1150, 1660, 1909, 1940, 2075, 2231, 2300, 2425, 3818, 4150, 4462, 4850, 7636, 8051, 8300, 8924, 9545, 9700, 11155, 16102, 19090, 22310, 32204, 38180, 40255, 44620, 47725, 55775, 80510, 95450, 111550, 161020, 185173, 190900, 201275, 223100, 370346, 402550, 740692, 805100, 925865, 1851730, 3703460, 4629325, 9258650, 18517300]

約数ペア:

[(1, 18517300), (2, 9258650), (4, 4629325), (5, 3703460), (10, 1851730), (20, 925865), (23, 805100), (25, 740692), (46, 402550), (50, 370346), (83, 223100), (92, 201275), (97, 190900), (100, 185173), (115, 161020), (166, 111550), (194, 95450), (230, 80510), (332, 55775), (388, 47725), (415, 44620), (460, 40255), (485, 38180), (575, 32204), (830, 22310), (970, 19090), (1150, 16102), (1660, 11155), (1909, 9700), (1940, 9545), (2075, 8924), (2231, 8300), (2300, 8051), (2425, 7636), (3818, 4850), (4150, 4462)]