19195740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2269}}^1$

素因数の和:2331

約数の個数: 72

約数和(自身を含む): 59492160

約数和(自身を除く): 40296420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2269, 2820, 4230, 4538, 6807, 8460, 9076, 11345, 13614, 20421, 22690, 27228, 34035, 40842, 45380, 68070, 81684, 102105, 106643, 136140, 204210, 213286, 319929, 408420, 426572, 533215, 639858, 959787, 1066430, 1279716, 1599645, 1919574, 2132860, 3199290, 3839148, 4798935, 6398580, 9597870, 19195740]

約数ペア:

[(1, 19195740), (2, 9597870), (3, 6398580), (4, 4798935), (5, 3839148), (6, 3199290), (9, 2132860), (10, 1919574), (12, 1599645), (15, 1279716), (18, 1066430), (20, 959787), (30, 639858), (36, 533215), (45, 426572), (47, 408420), (60, 319929), (90, 213286), (94, 204210), (141, 136140), (180, 106643), (188, 102105), (235, 81684), (282, 68070), (423, 45380), (470, 40842), (564, 34035), (705, 27228), (846, 22690), (940, 20421), (1410, 13614), (1692, 11345), (2115, 9076), (2269, 8460), (2820, 6807), (4230, 4538)]