19990804682

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1\times {\mathrm{1471}}^1$

素因数の和:1679

約数の個数: 48

約数和(自身を含む): 31860380160

約数和(自身を除く): 11869575478

約数列:

[1, 2, 41, 53, 59, 82, 106, 118, 1471, 2173, 2419, 2809, 2942, 3127, 4346, 4838, 5618, 6254, 60311, 77963, 86789, 115169, 120622, 128207, 155926, 165731, 173578, 230338, 256414, 331462, 3196483, 3558349, 4132039, 4599817, 6392966, 6794971, 7116698, 8264078, 9199634, 13589942, 169413599, 188592497, 243790301, 338827198, 377184994, 487580602, 9995402341, 19990804682]

約数ペア:

[(1, 19990804682), (2, 9995402341), (41, 487580602), (53, 377184994), (59, 338827198), (82, 243790301), (106, 188592497), (118, 169413599), (1471, 13589942), (2173, 9199634), (2419, 8264078), (2809, 7116698), (2942, 6794971), (3127, 6392966), (4346, 4599817), (4838, 4132039), (5618, 3558349), (6254, 3196483), (60311, 331462), (77963, 256414), (86789, 230338), (115169, 173578), (120622, 165731), (128207, 155926)]