16638604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 32324320

約数和(自身を除く): 15685716

約数列:

[1, 2, 4, 19, 37, 38, 61, 74, 76, 97, 122, 148, 194, 244, 388, 703, 1159, 1406, 1843, 2257, 2318, 2812, 3589, 3686, 4514, 4636, 5917, 7178, 7372, 9028, 11834, 14356, 23668, 42883, 68191, 85766, 112423, 136382, 171532, 218929, 224846, 272764, 437858, 449692, 875716, 4159651, 8319302, 16638604]

約数ペア:

[(1, 16638604), (2, 8319302), (4, 4159651), (19, 875716), (37, 449692), (38, 437858), (61, 272764), (74, 224846), (76, 218929), (97, 171532), (122, 136382), (148, 112423), (194, 85766), (244, 68191), (388, 42883), (703, 23668), (1159, 14356), (1406, 11834), (1843, 9028), (2257, 7372), (2318, 7178), (2812, 5917), (3589, 4636), (3686, 4514)]