19634280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 59400000

約数和(自身を除く): 39765720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1249, 1310, 1572, 1965, 2498, 2620, 3144, 3747, 3930, 4996, 5240, 6245, 7494, 7860, 9992, 12490, 14988, 15720, 18735, 24980, 29976, 37470, 49960, 74940, 149880, 163619, 327238, 490857, 654476, 818095, 981714, 1308952, 1636190, 1963428, 2454285, 3272380, 3926856, 4908570, 6544760, 9817140, 19634280]

約数ペア:

[(1, 19634280), (2, 9817140), (3, 6544760), (4, 4908570), (5, 3926856), (6, 3272380), (8, 2454285), (10, 1963428), (12, 1636190), (15, 1308952), (20, 981714), (24, 818095), (30, 654476), (40, 490857), (60, 327238), (120, 163619), (131, 149880), (262, 74940), (393, 49960), (524, 37470), (655, 29976), (786, 24980), (1048, 18735), (1249, 15720), (1310, 14988), (1572, 12490), (1965, 9992), (2498, 7860), (2620, 7494), (3144, 6245), (3747, 5240), (3930, 4996)]