19912325940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8509541}}^1$

素因数の和:8509569

約数の個数: 72

約数和(自身を含む): 65046939048

約数和(自身を除く): 45134613108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8509541, 17019082, 25528623, 34038164, 42547705, 51057246, 76585869, 85095410, 102114492, 110624033, 127643115, 153171738, 170190820, 221248066, 255286230, 306343476, 331872099, 382929345, 442496132, 510572460, 553120165, 663744198, 765858690, 995616297, 1106240330, 1327488396, 1531717380, 1659360495, 1991232594, 2212480660, 3318720990, 3982465188, 4978081485, 6637441980, 9956162970, 19912325940]

約数ペア:

[(1, 19912325940), (2, 9956162970), (3, 6637441980), (4, 4978081485), (5, 3982465188), (6, 3318720990), (9, 2212480660), (10, 1991232594), (12, 1659360495), (13, 1531717380), (15, 1327488396), (18, 1106240330), (20, 995616297), (26, 765858690), (30, 663744198), (36, 553120165), (39, 510572460), (45, 442496132), (52, 382929345), (60, 331872099), (65, 306343476), (78, 255286230), (90, 221248066), (117, 170190820), (130, 153171738), (156, 127643115), (180, 110624033), (195, 102114492), (234, 85095410), (260, 76585869), (390, 51057246), (468, 42547705), (585, 34038164), (780, 25528623), (1170, 17019082), (2340, 8509541)]