19831860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6481}}^1$

素因数の和:6513

約数の個数: 72

約数和(自身を含む): 63705096

約数和(自身を除く): 43873236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6481, 12962, 19443, 25924, 32405, 38886, 58329, 64810, 77772, 97215, 110177, 116658, 129620, 194430, 220354, 233316, 291645, 330531, 388860, 440708, 550885, 583290, 661062, 991593, 1101770, 1166580, 1322124, 1652655, 1983186, 2203540, 3305310, 3966372, 4957965, 6610620, 9915930, 19831860]

約数ペア:

[(1, 19831860), (2, 9915930), (3, 6610620), (4, 4957965), (5, 3966372), (6, 3305310), (9, 2203540), (10, 1983186), (12, 1652655), (15, 1322124), (17, 1166580), (18, 1101770), (20, 991593), (30, 661062), (34, 583290), (36, 550885), (45, 440708), (51, 388860), (60, 330531), (68, 291645), (85, 233316), (90, 220354), (102, 194430), (153, 129620), (170, 116658), (180, 110177), (204, 97215), (255, 77772), (306, 64810), (340, 58329), (510, 38886), (612, 32405), (765, 25924), (1020, 19443), (1530, 12962), (3060, 6481)]