18950988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 55931904

約数和(自身を除く): 36980916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 23, 28, 34, 42, 46, 51, 68, 69, 84, 92, 102, 119, 138, 161, 204, 238, 276, 322, 357, 391, 476, 483, 577, 644, 714, 782, 966, 1154, 1173, 1428, 1564, 1731, 1932, 2308, 2346, 2737, 3462, 4039, 4692, 5474, 6924, 8078, 8211, 9809, 10948, 12117, 13271, 16156, 16422, 19618, 24234, 26542, 29427, 32844, 39236, 39813, 48468, 53084, 58854, 68663, 79626, 92897, 117708, 137326, 159252, 185794, 205989, 225607, 274652, 278691, 371588, 411978, 451214, 557382, 676821, 823956, 902428, 1114764, 1353642, 1579249, 2707284, 3158498, 4737747, 6316996, 9475494, 18950988]

約数ペア:

[(1, 18950988), (2, 9475494), (3, 6316996), (4, 4737747), (6, 3158498), (7, 2707284), (12, 1579249), (14, 1353642), (17, 1114764), (21, 902428), (23, 823956), (28, 676821), (34, 557382), (42, 451214), (46, 411978), (51, 371588), (68, 278691), (69, 274652), (84, 225607), (92, 205989), (102, 185794), (119, 159252), (138, 137326), (161, 117708), (204, 92897), (238, 79626), (276, 68663), (322, 58854), (357, 53084), (391, 48468), (476, 39813), (483, 39236), (577, 32844), (644, 29427), (714, 26542), (782, 24234), (966, 19618), (1154, 16422), (1173, 16156), (1428, 13271), (1564, 12117), (1731, 10948), (1932, 9809), (2308, 8211), (2346, 8078), (2737, 6924), (3462, 5474), (4039, 4692)]