19614320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 31810960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 719, 880, 1240, 1364, 1438, 1705, 2480, 2728, 2876, 3410, 3595, 5456, 5752, 6820, 7190, 7909, 11504, 13640, 14380, 15818, 22289, 27280, 28760, 31636, 39545, 44578, 57520, 63272, 79090, 89156, 111445, 126544, 158180, 178312, 222890, 245179, 316360, 356624, 445780, 490358, 632720, 891560, 980716, 1225895, 1783120, 1961432, 2451790, 3922864, 4903580, 9807160, 19614320]

約数ペア:

[(1, 19614320), (2, 9807160), (4, 4903580), (5, 3922864), (8, 2451790), (10, 1961432), (11, 1783120), (16, 1225895), (20, 980716), (22, 891560), (31, 632720), (40, 490358), (44, 445780), (55, 356624), (62, 316360), (80, 245179), (88, 222890), (110, 178312), (124, 158180), (155, 126544), (176, 111445), (220, 89156), (248, 79090), (310, 63272), (341, 57520), (440, 44578), (496, 39545), (620, 31636), (682, 28760), (719, 27280), (880, 22289), (1240, 15818), (1364, 14380), (1438, 13640), (1705, 11504), (2480, 7909), (2728, 7190), (2876, 6820), (3410, 5752), (3595, 5456)]