19504530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 36482670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 47, 53, 54, 58, 87, 90, 94, 106, 135, 141, 145, 159, 174, 235, 261, 265, 270, 282, 290, 318, 423, 435, 470, 477, 522, 530, 705, 783, 795, 846, 870, 954, 1269, 1305, 1363, 1410, 1431, 1537, 1566, 1590, 2115, 2385, 2491, 2538, 2610, 2726, 2862, 3074, 3915, 4089, 4230, 4611, 4770, 4982, 6345, 6815, 7155, 7473, 7685, 7830, 8178, 9222, 12267, 12455, 12690, 13630, 13833, 14310, 14946, 15370, 20445, 22419, 23055, 24534, 24910, 27666, 36801, 37365, 40890, 41499, 44838, 46110, 61335, 67257, 69165, 72239, 73602, 74730, 82998, 112095, 122670, 134514, 138330, 144478, 184005, 207495, 216717, 224190, 336285, 361195, 368010, 414990, 433434, 650151, 672570, 722390, 1083585, 1300302, 1950453, 2167170, 3250755, 3900906, 6501510, 9752265, 19504530]

約数ペア:

[(1, 19504530), (2, 9752265), (3, 6501510), (5, 3900906), (6, 3250755), (9, 2167170), (10, 1950453), (15, 1300302), (18, 1083585), (27, 722390), (29, 672570), (30, 650151), (45, 433434), (47, 414990), (53, 368010), (54, 361195), (58, 336285), (87, 224190), (90, 216717), (94, 207495), (106, 184005), (135, 144478), (141, 138330), (145, 134514), (159, 122670), (174, 112095), (235, 82998), (261, 74730), (265, 73602), (270, 72239), (282, 69165), (290, 67257), (318, 61335), (423, 46110), (435, 44838), (470, 41499), (477, 40890), (522, 37365), (530, 36801), (705, 27666), (783, 24910), (795, 24534), (846, 23055), (870, 22419), (954, 20445), (1269, 15370), (1305, 14946), (1363, 14310), (1410, 13833), (1431, 13630), (1537, 12690), (1566, 12455), (1590, 12267), (2115, 9222), (2385, 8178), (2491, 7830), (2538, 7685), (2610, 7473), (2726, 7155), (2862, 6815), (3074, 6345), (3915, 4982), (4089, 4770), (4230, 4611)]