18491940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5407}}^1$

素因数の和:5441

約数の個数: 72

約数和(自身を含む): 59055360

約数和(自身を除く): 40563420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5407, 10814, 16221, 21628, 27035, 32442, 48663, 54070, 64884, 81105, 97326, 102733, 108140, 162210, 194652, 205466, 243315, 308199, 324420, 410932, 486630, 513665, 616398, 924597, 973260, 1027330, 1232796, 1540995, 1849194, 2054660, 3081990, 3698388, 4622985, 6163980, 9245970, 18491940]

約数ペア:

[(1, 18491940), (2, 9245970), (3, 6163980), (4, 4622985), (5, 3698388), (6, 3081990), (9, 2054660), (10, 1849194), (12, 1540995), (15, 1232796), (18, 1027330), (19, 973260), (20, 924597), (30, 616398), (36, 513665), (38, 486630), (45, 410932), (57, 324420), (60, 308199), (76, 243315), (90, 205466), (95, 194652), (114, 162210), (171, 108140), (180, 102733), (190, 97326), (228, 81105), (285, 64884), (342, 54070), (380, 48663), (570, 32442), (684, 27035), (855, 21628), (1140, 16221), (1710, 10814), (3420, 5407)]