19365560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 27204040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 307, 332, 380, 415, 614, 664, 760, 830, 1228, 1535, 1577, 1660, 2456, 3070, 3154, 3320, 5833, 6140, 6308, 7885, 11666, 12280, 12616, 15770, 23332, 25481, 29165, 31540, 46664, 50962, 58330, 63080, 101924, 116660, 127405, 203848, 233320, 254810, 484139, 509620, 968278, 1019240, 1936556, 2420695, 3873112, 4841390, 9682780, 19365560]

約数ペア:

[(1, 19365560), (2, 9682780), (4, 4841390), (5, 3873112), (8, 2420695), (10, 1936556), (19, 1019240), (20, 968278), (38, 509620), (40, 484139), (76, 254810), (83, 233320), (95, 203848), (152, 127405), (166, 116660), (190, 101924), (307, 63080), (332, 58330), (380, 50962), (415, 46664), (614, 31540), (664, 29165), (760, 25481), (830, 23332), (1228, 15770), (1535, 12616), (1577, 12280), (1660, 11666), (2456, 7885), (3070, 6308), (3154, 6140), (3320, 5833)]