19696920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 63763200

約数和(自身を除く): 44066280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 163, 190, 212, 228, 265, 285, 318, 326, 380, 424, 456, 489, 530, 570, 636, 652, 760, 795, 815, 978, 1007, 1060, 1140, 1272, 1304, 1590, 1630, 1956, 2014, 2120, 2280, 2445, 3021, 3097, 3180, 3260, 3912, 4028, 4890, 5035, 6042, 6194, 6360, 6520, 8056, 8639, 9291, 9780, 10070, 12084, 12388, 15105, 15485, 17278, 18582, 19560, 20140, 24168, 24776, 25917, 30210, 30970, 34556, 37164, 40280, 43195, 46455, 51834, 60420, 61940, 69112, 74328, 86390, 92910, 103668, 120840, 123880, 129585, 164141, 172780, 185820, 207336, 259170, 328282, 345560, 371640, 492423, 518340, 656564, 820705, 984846, 1036680, 1313128, 1641410, 1969692, 2462115, 3282820, 3939384, 4924230, 6565640, 9848460, 19696920]

約数ペア:

[(1, 19696920), (2, 9848460), (3, 6565640), (4, 4924230), (5, 3939384), (6, 3282820), (8, 2462115), (10, 1969692), (12, 1641410), (15, 1313128), (19, 1036680), (20, 984846), (24, 820705), (30, 656564), (38, 518340), (40, 492423), (53, 371640), (57, 345560), (60, 328282), (76, 259170), (95, 207336), (106, 185820), (114, 172780), (120, 164141), (152, 129585), (159, 123880), (163, 120840), (190, 103668), (212, 92910), (228, 86390), (265, 74328), (285, 69112), (318, 61940), (326, 60420), (380, 51834), (424, 46455), (456, 43195), (489, 40280), (530, 37164), (570, 34556), (636, 30970), (652, 30210), (760, 25917), (795, 24776), (815, 24168), (978, 20140), (1007, 19560), (1060, 18582), (1140, 17278), (1272, 15485), (1304, 15105), (1590, 12388), (1630, 12084), (1956, 10070), (2014, 9780), (2120, 9291), (2280, 8639), (2445, 8056), (3021, 6520), (3097, 6360), (3180, 6194), (3260, 6042), (3912, 5035), (4028, 4890)]