19416420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{401}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 59262840

約数和(自身を除く): 39846420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 401, 538, 802, 807, 1076, 1203, 1345, 1604, 1614, 2005, 2406, 2421, 2690, 3228, 3609, 4010, 4035, 4812, 4842, 5380, 6015, 7218, 8020, 8070, 9684, 12030, 12105, 14436, 16140, 18045, 24060, 24210, 36090, 48420, 72180, 107869, 215738, 323607, 431476, 539345, 647214, 970821, 1078690, 1294428, 1618035, 1941642, 2157380, 3236070, 3883284, 4854105, 6472140, 9708210, 19416420]

約数ペア:

[(1, 19416420), (2, 9708210), (3, 6472140), (4, 4854105), (5, 3883284), (6, 3236070), (9, 2157380), (10, 1941642), (12, 1618035), (15, 1294428), (18, 1078690), (20, 970821), (30, 647214), (36, 539345), (45, 431476), (60, 323607), (90, 215738), (180, 107869), (269, 72180), (401, 48420), (538, 36090), (802, 24210), (807, 24060), (1076, 18045), (1203, 16140), (1345, 14436), (1604, 12105), (1614, 12030), (2005, 9684), (2406, 8070), (2421, 8020), (2690, 7218), (3228, 6015), (3609, 5380), (4010, 4842), (4035, 4812)]