18814788

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 52617600

約数和(自身を除く): 33802812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 53, 54, 57, 76, 106, 108, 114, 159, 171, 173, 212, 228, 318, 342, 346, 477, 513, 519, 636, 684, 692, 954, 1007, 1026, 1038, 1431, 1557, 1908, 2014, 2052, 2076, 2862, 3021, 3114, 3287, 4028, 4671, 5724, 6042, 6228, 6574, 9063, 9169, 9342, 9861, 12084, 13148, 18126, 18338, 18684, 19722, 27189, 27507, 29583, 36252, 36676, 39444, 54378, 55014, 59166, 82521, 88749, 108756, 110028, 118332, 165042, 174211, 177498, 247563, 330084, 348422, 354996, 495126, 522633, 696844, 990252, 1045266, 1567899, 2090532, 3135798, 4703697, 6271596, 9407394, 18814788]

約数ペア:

[(1, 18814788), (2, 9407394), (3, 6271596), (4, 4703697), (6, 3135798), (9, 2090532), (12, 1567899), (18, 1045266), (19, 990252), (27, 696844), (36, 522633), (38, 495126), (53, 354996), (54, 348422), (57, 330084), (76, 247563), (106, 177498), (108, 174211), (114, 165042), (159, 118332), (171, 110028), (173, 108756), (212, 88749), (228, 82521), (318, 59166), (342, 55014), (346, 54378), (477, 39444), (513, 36676), (519, 36252), (636, 29583), (684, 27507), (692, 27189), (954, 19722), (1007, 18684), (1026, 18338), (1038, 18126), (1431, 13148), (1557, 12084), (1908, 9861), (2014, 9342), (2052, 9169), (2076, 9063), (2862, 6574), (3021, 6228), (3114, 6042), (3287, 5724), (4028, 4671)]