19998994284

素因数分解:

$2^2\times 3^5\times {\mathrm{67}}^1\times {\mathrm{307091}}^1$

素因数の和:307177

約数の個数: 72

約数和(自身を含む): 53207988288

約数和(自身を除く): 33208994004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 243, 268, 324, 402, 486, 603, 804, 972, 1206, 1809, 2412, 3618, 5427, 7236, 10854, 16281, 21708, 32562, 65124, 307091, 614182, 921273, 1228364, 1842546, 2763819, 3685092, 5527638, 8291457, 11055276, 16582914, 20575097, 24874371, 33165828, 41150194, 49748742, 61725291, 74623113, 82300388, 99497484, 123450582, 149246226, 185175873, 246901164, 298492452, 370351746, 555527619, 740703492, 1111055238, 1666582857, 2222110476, 3333165714, 4999748571, 6666331428, 9999497142, 19998994284]

約数ペア:

[(1, 19998994284), (2, 9999497142), (3, 6666331428), (4, 4999748571), (6, 3333165714), (9, 2222110476), (12, 1666582857), (18, 1111055238), (27, 740703492), (36, 555527619), (54, 370351746), (67, 298492452), (81, 246901164), (108, 185175873), (134, 149246226), (162, 123450582), (201, 99497484), (243, 82300388), (268, 74623113), (324, 61725291), (402, 49748742), (486, 41150194), (603, 33165828), (804, 24874371), (972, 20575097), (1206, 16582914), (1809, 11055276), (2412, 8291457), (3618, 5527638), (5427, 3685092), (7236, 2763819), (10854, 1842546), (16281, 1228364), (21708, 921273), (32562, 614182), (65124, 307091)]