19348920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 63853920

約数和(自身を除く): 44505000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 757, 852, 1065, 1278, 1420, 1514, 1704, 2130, 2271, 2556, 2840, 3028, 3195, 3785, 4260, 4542, 5112, 6056, 6390, 6813, 7570, 8520, 9084, 11355, 12780, 13626, 15140, 18168, 22710, 25560, 27252, 30280, 34065, 45420, 53747, 54504, 68130, 90840, 107494, 136260, 161241, 214988, 268735, 272520, 322482, 429976, 483723, 537470, 644964, 806205, 967446, 1074940, 1289928, 1612410, 1934892, 2149880, 2418615, 3224820, 3869784, 4837230, 6449640, 9674460, 19348920]

約数ペア:

[(1, 19348920), (2, 9674460), (3, 6449640), (4, 4837230), (5, 3869784), (6, 3224820), (8, 2418615), (9, 2149880), (10, 1934892), (12, 1612410), (15, 1289928), (18, 1074940), (20, 967446), (24, 806205), (30, 644964), (36, 537470), (40, 483723), (45, 429976), (60, 322482), (71, 272520), (72, 268735), (90, 214988), (120, 161241), (142, 136260), (180, 107494), (213, 90840), (284, 68130), (355, 54504), (360, 53747), (426, 45420), (568, 34065), (639, 30280), (710, 27252), (757, 25560), (852, 22710), (1065, 18168), (1278, 15140), (1420, 13626), (1514, 12780), (1704, 11355), (2130, 9084), (2271, 8520), (2556, 7570), (2840, 6813), (3028, 6390), (3195, 6056), (3785, 5112), (4260, 4542)]